Comparison

WeKey vs PDFlexor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WeKey

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Wekey是亚数信息科技(上海)有限公司开发的一款身份认证移动应用,它实现了国际通用的FIDO认证协议。通过非对称加密,加上生物识别的方式帮助用户去掉用户名口令的登录习惯,降低用户被网络钓鱼的风险。

About

PDFlexor

Edit, convert, and organize PDF documents with a secure, all-in-one toolkit. Features include merging, splitting, page reordering, and conversion to various formats, with most operations processed locally for enhanced privacy.

Highlights
  • Merge and split PDF files
  • Extract, delete, and reorder pages
  • Convert PDFs to/from various formats
  • Crop and resize PDF pages
  • Compress PDF file size
  • Local processing for enhanced security
Features
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Master Your PDFs with Our Comprehensive Toolkit PDFlexor empowers you to effortlessly edit, convert, and manage your PDF documents with a comprehensive suite of features. Whether you need to merge, split, extract pages, reorder, rotate, convert, or crop PDFs, this app ensures your documents are handled with the utmost security. Local Processing for Maximum Security: Most PDF operations, such as merging, splitting, extracting, and deleting pages, are processed locally on your device. This design principle ensures that your sensitive documents never leave your device, providing an extra layer of security and privacy. No need to worry about external breaches or unauthorized access, as your documents remain under your sole control. Secure Office Conversions: For Office-related conversions (PDF to Word, Excel, PowerPoint, and vice versa), our app takes extra precautions. Files are securely uploaded to our server for processing. We employ state-of-the-art encryption and adhere to strict privacy policies to protect your data during transmission and processing. Once the conversion is complete, files are immediately deleted from our servers, ensuring that your information remains confidential and secure. Key Features: Organization: Merge PDFs: Combine multiple PDF files into a single, organized document. Split PDFs: Divide large PDFs into smaller, more manageable files based on specific page ranges. Extract Pages: Isolate and save specific pages from a PDF into a new document. Delete Pages: Remove unwanted pages from your PDFs permanently. Add Page Numbers: Enhance your documents by adding page numbers for easy reference. Reorder Pages: Rearrange the sequence of pages in your PDF to fit your needs. Rotate Pages: Adjust the orientation of pages to ensure they are displayed correctly. Insert Pages: Add new pages into your existing PDFs at any position. Multi-page Layout: Create PDFs with multiple pages per sheet for compact viewing. Viewing and Editing: Crop PDF Pages: Trim or remove unwanted margins from your PDF pages. Resize Pages: Change the size of your PDF pages to standard formats like A4 or Letter. Compress PDF: Reduce the file size of your PDFs for easier sharing and storage. Edit Metadata: Modify or remove metadata to protect your privacy. Remove Blank Pages: Automatically detect and delete empty pages from your documents. Overlay PDF: Superimpose one PDF onto another for layered content. Compare PDF: Compare the differences between two PDF files. Conversion: PDF to Image: Convert PDF pages into image files. Extract Images: Retrieve all embedded images from your PDFs. Extract Text: Convert PDF content into editable text formats. Images to PDF: Convert a collection of images into a single PDF document. URL to PDF: Capture web content directly into a PDF format. SVG to PDF: Transform SVG graphics into PDF files. CSV to PDF: Convert tabular data from CSV into a PDF document. RTF to PDF: Convert rich text format files into PDFs. PDF to RTF: Convert PDF content into editable RTF files. PDF to Word/Excel/PowerPoint: Convert your PDFs into editable Office formats. GIF/Excel/Word/PowerPoint to PDF: Convert various file types into PDFs. Security: Sign PDF: Electronically sign your PDFs for a secure and efficient workflow. Protect PDF: Secure your PDFs with passwords to prevent unauthorized access. Unlock PDF: Remove password protection from PDFs you own. Add Watermark: Protect your documents with text or image watermarks. Redact PDF: Safeguard sensitive information by blacking out text. Experience the power, flexibility, and security of our All-in-One PDF App and simplify your PDF tasks today! Download now and unlock the full potential of your PDF documents, with peace of mind knowing that your privacy and security are our top priorities. Terms of Service: https://pdfinity.ultraifun.com/agreements/termsOfUser.html Privacy Policy: https://pdfinity.ultraifun.com/agreements/privacy.html

Screenshots

WeKey4 screens
PDFlexor4 screens

Verdict

The call

The clearest difference is in-app purchases: WeKey at none against PDFlexor's 4. PDFlexor's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDFlexor sells 4 in-app purchases, starting at $1.99 per 7 days. WeKey asks for nothing beyond the download.

UpkeepUpdate frequency

WeKey ships an update monthly, PDFlexor every 3 days. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 7 level
WeKey versus PDFlexor: the parameters behind the verdict, then further details
ParameterWeKeyPDFlexor
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.013.0 — better
Further details — not scored
Size12 MB45 MB
Age rating17+4+
DeveloperTrustAsia Technologies, Inc.Huizhou Jiqu Technology Co., Ltd.

In-app purchases

None

WeKey

No in-app purchases

4 purchases

PDFlexor

Subscriptions3
  • Weekly Membership$1.997 Days
  • Monthly Membership$3.991 Month
  • Annual Membership$14.991 Year
One-time1
  • Life Membership$29.99

Questions

Is WeKey free?
WeKey is free to download, with no in-app purchases.
Is PDFlexor free?
PDFlexor is free to download, with in-app purchases available.
Do WeKey or PDFlexor have ads?
Neither WeKey nor PDFlexor shows ads.
Which is updated more often, WeKey or PDFlexor?
WeKey ships an update monthly, and PDFlexor every 3 days. Most recently, WeKey was updated on September 25, 2026 and PDFlexor on October 2, 2026.

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